109P0405H701

Power (Watts):	1.40W
Lifetime @ Temp.:	60000 Hrs @ 60°C
Material - Blade:	Plastic
Material - Frame:	Plastic
Voltage Range:	4.5 ~ 5.5VDC
Current Rating:	0.280A
Weight:	0.071 lb (32.21g)
Approvals:	CSA, TUV, UL
Operating Temperature:	14 ~ 140°F (-10 ~ 60°C)
Ingress Protection:	--
Termination:	3 Wire Leads
RPM:	7700 RPM
Series:	San Ace 40
Noise:	28.0 dB(A)
Features:	Speed Sensor (Tach)
Fan Type:	Tubeaxial
Bearing Type:	Ball
Static Pressure:	0.303 in H2O (75.5 Pa)
Air Flow:	6.4 CFM (0.179m³/min)
Width:	15.00mm
Size / Dimension:	Square - 40mm L x 40mm H
Voltage - Rated:	5VDC
Part Status:	Active

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<h2>DC Fans</h2><h3>Application Field</h3>DC fans are a type of radial fan. DC fans are mainly used for cooling industrial controllers, power supplies, and circuits, and for regulating the temperature of electronic equipment.DC fans are mainly used in electronic equipment which runs on direct current (DC), such as computers, home appliances, medical devices, and machine tools. They are also used in automatic control systems such as CNC machine tools, as they can be easily programmed to adjust to changing conditions.DC fans have a variety of sizes and shapes, allowing for installation in a wide range of applications. They can be mounted in all sorts of ways, for example, on a board, or within an enclosure, and used in many industrial and household applications.<h3>Working Principle</h3>DC fans operate by using an electric motor to turn an impeller, creating a vacuum and a flow of air. The impeller contains several cylinders, each containing a circular array of blades, and each blade is pitched in the opposite direction to its neighbor.The DC fan motor is connected to a power supply. The DC electric current flows through the armature, causing it to spin, and turning the blades of the impeller. When the impeller spins, air is drawn in the entrance, pushed through the blades of the impeller, and eventually expelled out the other side.The blades of the impeller are designed to create a pressure difference between the air entering and exiting the fan, creating a body of air that is moving in one direction. This movement of air is what is responsible for cooling the system.DC fans tend to be more efficient than other types of fan motors because they require less current to operate and generate more airflow than alternating current (AC) motors. They can also be operated at a wide range of speeds, allowing them to be used in a wide variety of applications.<h3>Conclusion</h3>DC fans are an essential component of many types of electronic equipment and cooling systems. They are highly efficient, offer a high level of control, and are widely used in applications ranging from home appliances to industrial control systems. The model number 109P0405H701 is a DC fan designed for use in a range of applications.

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